--- src/games/arithmetic/arithmetic.6	2005/07/31 21:38:32	1.3
+++ src/games/arithmetic/arithmetic.6	2007/10/20 17:56:46	1.4
@@ -102,7 +102,9 @@ if you get a question wrong.
 .It "Right!"
 if you get it right.
 .It "Please type a number."
-if arithmetic doesn't understand what you typed.
+if
+.Nm
+doesn't understand what you typed.
 .El
 .Sh SEE ALSO
 .Xr bc 1 ,